Cascade residuals guided nonlinear dictionary learning

• Published in: Computer vision and image understanding Vol. 173; pp. 86 - 97
• Main Authors: Zhang, Tong, Porikli, Fatih
• Format: Journal Article
• Language: English
• Published: Elsevier Inc 01.08.2018
• Subjects: Dictionary learning; Sparse coding; Sparse coding; Dictionary learning

•Flexible, accurate and compact image representations.•Efficient multiscale dictionary learning algorithms.•Good performance on several image restoration tasks. In this paper, we aim to extend dictionary learning onto hierarchical image representations in a principled way. To achieve dictionary atom...